EUC pairing
9
Connect the product to the PC using USB.
Download and open the "EJEAS Upgrade.exe"
upgrade software. Click on the "Upgrade" button to
start the upgrade and wait for the upgrade to complete.
Firmware upgrades Restore Default Settings
Press and hold <Phone button> + <B button> for
about 2s, the red light flashes 3 times quickly to
delete the pairing record, and then the intercom will
automatically power on again.
2s